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1925年9月5日,德国地球化学家诺达克和泰开夫妇在纽伦堡的德国化学家联合会上,由泰开当众宣布,他们发现了一种新元素,并展
On September 5, 1925, the German geochemist Norodom and Thaksin, both publicly announced by Thai Open at the German Federation of Chemists in Nuremberg, discovered a new element and exhibited